HP 4500 HP Color LaserJet 4500, 4500N, 4500DN Printer User Guide - Page 152

Printer will not duplex Cause Printer is not recognizing the duplex printing accessory. You are trying to duplex on an unsupported media. The door to the rear output bin is open. Solution Print a configuration page to verify configuration. Set up the printer driver to recognize the duplex printing accessory. Verify that the duplex printing accessory power cord is plugged in. Verify that the media you are using is supported for duplex printing. Close the door to the rear output bin. Tray 3 is incorrectly installed Cause Verify that the tray is correctly installed. Solution Print a configuration page to confirm that Tray 3 is configured properly. Printer is on, but will not print a PostScript file Cause Solution The PS (PostScript Emulation) personality is not selected. Select PS or AUTO for the printer language. See the chapter on using the printer control panel. The correct driver is not selected in your software application or printer driver. Select the driver for PostScript Emulation for this printer in your software application or printer driver. The printer is not properly configured. See chapter 6 for configuration information. The computer port is not configured or is not Run another peripheral connected to this port working properly. to verify that the port is working properly. The printer has not been correctly named for your network or for a Macintosh computer. Use the appropriate utility to name the printer on the network. For Macintosh computers, name the printer from within the Chooser menu. 152 Solving Problems with the Printer EN